1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/Wunused-parm-4.c b/gcc/testsuite/c-c++-common/Wunused-parm-4.c
new file mode 100644
index 0000000..063b40f
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/Wunused-parm-4.c
@@ -0,0 +1,50 @@
+/* PR c/44677 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wunused-but-set-parameter=2" } */
+
+void baz (int);
+
+void
+foo (int a,		/* { dg-warning "parameter 'a' set but not used" } */
+     int b,		/* { dg-warning "parameter 'b' set but not used" } */
+     int c,		/* { dg-warning "parameter 'c' set but not used" } */
+     int d,		/* { dg-warning "parameter 'd' set but not used" } */
+     int e,		/* { dg-warning "parameter 'e' set but not used" } */
+     int f,
+     int g,
+     int h,
+     int i,
+     int j,
+     int k,
+     int l,
+     int m)		/* { dg-warning "parameter 'm' set but not used" } */
+{
+  a = 1;
+  ++b;
+  c++;
+  --d;
+  e--;
+  f += 2;
+  g |= 2;
+  h -= 2;
+  i &= 2;
+  j ^= 2;
+  k *= 2;
+  l %= 2;
+  for (int n = 4; n < 10; n++, m++)
+    baz (n);
+}
+
+int
+bar (int a, int b, int c, int d, int e, int f, int g, int h, int i, int j,
+     int k, int l, int m, int n)
+{
+  b = ++a;
+  d = --c;
+  f = e--;
+  h = g++;
+  j = i += 42;
+  l = k *= 4;
+  n = m |= 2;
+  return b + d + f + h + j + l + n;
+}